OE Quality
60-Day Returns

Dayco 81441 Radiator Coolant Hose - Lower or Upper
Overview of Dayco Flex Radiator Hose 81441
The Dayco Flex Radiator Hose 81441 is designed to provide reliable coolant flow for select Ford and Pontiac vehicles. Engineered to meet the cooling system demands of models like the Ford F-150 and Pontiac Bonneville, this radiator coolant hose ensures proper engine temperature regulation.
- Compatible with Ford F-100, F-150, F-250, F-350, and Thunderbird models
- Fits Pontiac Bonneville and Catalina vehicles
- Part number 81441 for precise replacement
- Constructed for durability and heat resistance
- Designed to maintain optimal coolant flow and prevent leaks
Detailed Product Description
The Dayco Flex Radiator Hose 81441 is a radiator coolant hose specifically engineered for use in various Ford and Pontiac vehicles. This hose plays a critical role in the vehicle's cooling system by transporting coolant between the radiator and engine, helping to maintain proper engine temperature and prevent overheating. The hose is built to withstand high temperatures and pressure, ensuring long-lasting performance under demanding conditions. Its compatibility with models such as the Ford F-100, F-150, F-250, F-350, Thunderbird, and Pontiac Bonneville and Catalina makes it a reliable choice for maintaining the cooling system integrity in these vehicles.
About the Flex Radiator Hose Product Line
The Flex Radiator Hose line by Dayco focuses on delivering flexible, durable hoses designed to meet the specific cooling system requirements of various vehicle makes and models. This product line emphasizes reliable coolant flow and resistance to heat and pressure, which are essential for maintaining engine performance and preventing coolant leaks. The 81441 hose is part of this line, offering a tailored fit and construction for Ford and Pontiac vehicles.
Common Applications and Issues Addressed
- Replacement of worn or cracked radiator coolant hoses
- Prevention of coolant leaks that can lead to engine overheating
- Restoration of proper coolant circulation in Ford and Pontiac cooling systems
- Addressing hose swelling or softening due to heat exposure
- Ensuring secure connections between radiator and engine components
Installation Notes and Tips
When installing the Dayco Flex Radiator Hose 81441, ensure the engine is cool to avoid burns. Inspect hose clamps and replace if necessary to secure the hose properly. Verify the hose routing matches the original to prevent kinks or interference with other engine components. It is recommended to drain the coolant before removal and refill with fresh coolant after installation to maintain system integrity.
Quality Assurance and Warranty
Dayco manufactures the Flex Radiator Hose 81441 to meet industry standards for durability and performance. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed quality assurance to support reliable operation in compatible Ford and Pontiac vehicles.
This part fits 85 vehicles. Search below:
| Year | Make | Model | Drive Type | Transmission | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 1979 | Ford | F-100 | 7.5L | V8 | Lower | Flex Radiator Hose | |||
| 1979 | Ford | F-150 | 7.5L | V8 | Lower | Flex Radiator Hose | |||
| 1979 | Ford | F-250 | 7.5L | V8 | Lower | Flex Radiator Hose | |||
| 1979 | Ford | F-350 | 7.5L | V8 | Lower | Flex Radiator Hose | |||
| 1978 | Ford | F-150 | 7.5L | V8 | Lower | Flex Radiator Hose | |||
| 1978 | Ford | F-250 | 7.5L | V8 | Lower | Flex Radiator Hose | |||
| 1978 | Ford | F-350 | 7.5L | V8 | Lower | Flex Radiator Hose | |||
| 1977 | Ford | F-150 | 7.5L | V8 | Lower | Flex Radiator Hose | |||
| 1977 | Ford | F-250 | 7.5L | V8 | Lower | Flex Radiator Hose | |||
| 1977 | Ford | F-350 | 7.5L | V8 | Lower | Flex Radiator Hose | |||
| 1976 | Ford | F-100 | 5.9L | V8 | Lower | 4 In. Thick Rad. Top; Flex Radiator Hose | |||
| 1976 | Ford | F-100 | 6.4L | V8 | Lower | 4 In. Thick Rad. Top; Flex Radiator Hose | |||
| 1976 | Ford | F-150 | 5.9L | V8 | Lower | 4 In. Thick Rad. Top; Flex Radiator Hose | |||
| 1976 | Ford | F-150 | 7.5L | V8 | Lower | Flex Radiator Hose | |||
| 1976 | Ford | F-150 | 6.4L | V8 | Lower | 4 In. Thick Rad. Top; Flex Radiator Hose | |||
| 1976 | Ford | F-250 | 5.9L | V8 | Lower | 4 In. Thick Rad. Top; Flex Radiator Hose | |||
| 1976 | Ford | F-250 | 7.5L | V8 | Lower | Flex Radiator Hose | |||
| 1976 | Ford | F-250 | 6.4L | V8 | Lower | 4 In. Thick Rad. Top; Flex Radiator Hose | |||
| 1976 | Ford | F-350 | 5.9L | V8 | Lower | 4 In. Thick Rad. Top; Flex Radiator Hose | |||
| 1976 | Ford | F-350 | 7.5L | V8 | Lower | Flex Radiator Hose | |||
| 1976 | Ford | F-350 | 6.4L | V8 | Lower | 4 In. Thick Rad. Top; Flex Radiator Hose | |||
| 1975 | Ford | F-100 | 5.9L | V8 | Lower | 4 In. Thick Rad. Top; Flex Radiator Hose | |||
| 1975 | Ford | F-100 | 6.4L | V8 | Lower | 4 In. Thick Rad. Top; Flex Radiator Hose | |||
| 1975 | Ford | F-150 | 5.9L | V8 | Lower | 4 In. Thick Rad. Top; Flex Radiator Hose | |||
| 1975 | Ford | F-150 | 7.5L | V8 | Lower | Flex Radiator Hose | |||
| 1975 | Ford | F-150 | 6.4L | V8 | Lower | 4 In. Thick Rad. Top; Flex Radiator Hose | |||
| 1975 | Ford | F-250 | 5.9L | V8 | Lower | 4 In. Thick Rad. Top; Flex Radiator Hose | |||
| 1975 | Ford | F-250 | 7.5L | V8 | Lower | Flex Radiator Hose | |||
| 1975 | Ford | F-250 | 6.4L | V8 | Lower | 4 In. Thick Rad. Top; Flex Radiator Hose | |||
| 1975 | Ford | F-350 | 5.9L | V8 | Lower | 4 In. Thick Rad. Top; Flex Radiator Hose | |||
| 1975 | Ford | F-350 | 7.5L | V8 | Lower | Flex Radiator Hose | |||
| 1975 | Ford | F-350 | 6.4L | V8 | Lower | 4 In. Thick Rad. Top; Flex Radiator Hose | |||
| 1974 | Ford | F-100 | 5.9L | V8 | Lower | 4 In. Thick Rad.; Flex Radiator Hose | |||
| 1974 | Ford | F-100 | 6.4L | V8 | Lower | 4 In. Thick Rad.; Flex Radiator Hose | |||
| 1974 | Ford | F-100 | 7.5L | V8 | Lower | Flex Radiator Hose | |||
| 1974 | Ford | F-250 | 5.9L | V8 | Lower | 4 In. Thick Rad.; Flex Radiator Hose | |||
| 1974 | Ford | F-250 | 6.4L | V8 | Lower | 4 In. Thick Rad.; Flex Radiator Hose | |||
| 1974 | Ford | F-250 | 7.5L | V8 | Lower | Flex Radiator Hose | |||
| 1974 | Ford | F-350 | 5.9L | V8 | Lower | 4 In. Thick Rad.; Flex Radiator Hose | |||
| 1974 | Ford | F-350 | 6.4L | V8 | Lower | 4 In. Thick Rad.; Flex Radiator Hose | |||
| 1974 | Ford | F-350 | 7.5L | V8 | Lower | Flex Radiator Hose | |||
| 1973 | Ford | F-100 | 5.9L | V8 | Lower | 4 In. Thick Rad.; Flex Radiator Hose | |||
| 1973 | Ford | F-100 | 6.4L | V8 | Lower | 4 In. Thick Rad.; Flex Radiator Hose | |||
| 1973 | Ford | F-100 | 7.5L | V8 | Lower | Flex Radiator Hose | |||
| 1973 | Ford | F-250 | 5.9L | V8 | Lower | 4 In. Thick Rad.; Flex Radiator Hose | |||
| 1973 | Ford | F-250 | 6.4L | V8 | Lower | 4 In. Thick Rad.; Flex Radiator Hose | |||
| 1973 | Ford | F-250 | 7.5L | V8 | Lower | Flex Radiator Hose | |||
| 1973 | Ford | F-350 | 5.9L | V8 | Lower | 4 In. Thick Rad.; Flex Radiator Hose | |||
| 1973 | Ford | F-350 | 6.4L | V8 | Lower | 4 In. Thick Rad.; Flex Radiator Hose | |||
| 1973 | Ford | F-350 | 7.5L | V8 | Lower | Flex Radiator Hose | |||
| 1971 | GMC | G15/G1500 Van | 5.0L | V8 | Lower | Flex Radiator Hose | |||
| 1971 | GMC | G15/G1500 Van | 5.7L | V8 | Lower | Flex Radiator Hose | |||
| 1971 | GMC | G25/G2500 Van | 5.0L | V8 | Lower | Flex Radiator Hose | |||
| 1971 | GMC | G25/G2500 Van | 5.7L | V8 | Lower | Flex Radiator Hose | |||
| 1971 | GMC | G35/G3500 Van | 5.0L | V8 | Lower | Flex Radiator Hose | |||
| 1971 | GMC | G35/G3500 Van | 5.7L | V8 | Lower | Flex Radiator Hose | |||
| 1970 | Ford | F-100 | 5.9L | V8 | Lower | Radiator Coolant Hose for H.D. vehicles.; Flex Radiator Hose | |||
| 1970 | Ford | F-100 | 6.4L | V8 | Lower | Radiator Coolant Hose for H.D. vehicles.; Flex Radiator Hose | |||
| 1970 | Ford | F-250 | 5.9L | V8 | Lower | Radiator Coolant Hose for H.D. vehicles.; Flex Radiator Hose | |||
| 1970 | Ford | F-250 | 6.4L | V8 | Lower | Radiator Coolant Hose for H.D. vehicles.; Flex Radiator Hose | |||
| 1970 | Ford | F-350 | 5.9L | V8 | Lower | Radiator Coolant Hose for H.D. vehicles.; Flex Radiator Hose | |||
| 1970 | Ford | F-350 | 6.4L | V8 | Lower | Radiator Coolant Hose for H.D. vehicles.; Flex Radiator Hose | |||
| 1967 | Ford | F-100 | 5.8L | V8 | Upper | Flex Radiator Hose | |||
| 1967 | Ford | F-100 | Manual | 5.8L | V8 | Lower | Flex Radiator Hose | ||
| 1967 | Ford | F-250 | 5.8L | V8 | Upper | Flex Radiator Hose | |||
| 1967 | Ford | F-250 | Manual | 5.8L | V8 | Lower | Flex Radiator Hose | ||
| 1967 | Ford | F-350 | 5.8L | V8 | Upper | Flex Radiator Hose | |||
| 1967 | Ford | F-350 | Manual | 5.8L | V8 | Lower | Flex Radiator Hose | ||
| 1966 | Ford | F-100 | 5.8L | V8 | Upper | Flex Radiator Hose | |||
| 1966 | Ford | F-250 | Manual | 5.8L | V8 | Upper | w/2WD; Flex Radiator Hose | ||
| 1965 | Ford | F-100 | 4WD | Manual | 5.8L | V8 | GAS | Upper | Flex Radiator Hose |
| 1965 | Ford | F-100 | Manual | 5.8L | V8 | GAS | Upper | w/o 4WD; Flex Radiator Hose | |
| 1965 | Ford | F-250 | 4WD | Manual | 5.8L | V8 | GAS | Upper | Flex Radiator Hose |
| 1965 | Ford | F-250 | Manual | 5.8L | V8 | GAS | Upper | w/o 4WD; Flex Radiator Hose | |
| 1960 | Ford | Thunderbird | 5.8L | V8 | Lower | Flex Radiator Hose | |||
| 1960 | Ford | Thunderbird | 7.0L | V8 | Lower | Flex Radiator Hose | |||
| 1960 | Pontiac | Bonneville | 6.4L | V8 | Lower | Flex Radiator Hose | |||
| 1960 | Pontiac | Catalina | Lower | Flex Radiator Hose | |||||
| 1959 | Ford | Thunderbird | 5.8L | V8 | Lower | Flex Radiator Hose | |||
| 1959 | Ford | Thunderbird | 7.0L | V8 | Lower | Flex Radiator Hose | |||
| 1959 | Pontiac | Bonneville | 6.4L | V8 | Lower | Flex Radiator Hose | |||
| 1959 | Pontiac | Catalina | Lower | Flex Radiator Hose | |||||
| 1958 | Ford | Thunderbird | 4.8L | V8 | Lower | Flex Radiator Hose | |||
| 1958 | Ford | Thunderbird | 5.4L | V8 | Lower | Flex Radiator Hose | |||
| 1958 | Ford | Thunderbird | 5.8L | V8 | Lower | Flex Radiator Hose |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.